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Property, Plant and Equipment - Summary of Property Plant and Equipment (Parenthetical) (Detail) - CAD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure Of Property Plant And Equipment [Line Items] |  |  |
Non-cash additions from capitalization | $ 762 | $ 345 |
Land clearing cost and construction cost | 2,092 |  |
Accrued interest capitalized to construction in progress | 44 |  |
Depreciation expense is recorded as part of inventory expensed to cost of sales, production costs, and general and administration | 484 | 455 |
Property, plant and equipment | 171,891 | 56,172 | $ 14,122
Biological Asset [member] |  |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |  |
Depreciation expense is recorded as part of inventory expensed to cost of sales, production costs, and general and administration | 770 |  |
inventory [member] |  |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |  |
Depreciation expense is recorded as part of inventory expensed to cost of sales, production costs, and general and administration | 770 |  |
Equipment under finance lease [member] |  |  |
Disclosure Of Property Plant And Equipment [Line Items] |  |  |
Property, plant and equipment | $ 171 |  |

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- Definition The amount of interest costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard -URIDate 2017-03-09 + Details
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